diff --git a/public/react/src/common/course/WordsBtn.js b/public/react/src/common/course/WordsBtn.js
index 521a16ddd..698da6d5f 100644
--- a/public/react/src/common/course/WordsBtn.js
+++ b/public/react/src/common/course/WordsBtn.js
@@ -1,24 +1,24 @@
-import React, { Component } from 'react';
-import {Link} from 'react-router-dom'
-
-const map={"blue":"colorblue","white":"colorwhite","grey":"colorgrey", 'orange': "color-orange"}
-class WordsBtn extends Component {
-  constructor(props) {
-    super(props);
-  }
-
-  render() {
-    let{to, href}=this.props
-    return(
-      <React.Fragment>
-        {
-          to==undefined ? 
-          <a href={href || "javascript:void(0)"} onClick={this.props.onClick} className={"btn "+`${map[this.props.style]} ${this.props.className}`}>{this.props.children}</a>
-          :
-          <Link to={to} className={"btn "+`${map[this.props.style]} ${this.props.className}`}>{this.props.children}</Link>
-        }
-      </React.Fragment>
-    )
-  }
-}
+import React, { Component } from 'react';
+import {Link} from 'react-router-dom'
+
+const map={"blue":"colorblue","white":"colorwhite","grey":"colorgrey", 'orange': "color-orange"}
+class WordsBtn extends Component {
+  constructor(props) {
+    super(props);
+  }
+
+  render() {
+    let{to, href,target}=this.props
+    return(
+      <React.Fragment>
+        {
+          to==undefined ? 
+          <a href={href || "javascript:void(0)"} target={target} onClick={this.props.onClick} className={"btn "+`${map[this.props.style]} ${this.props.className}`}>{this.props.children}</a>
+          :
+          <Link to={to} className={"btn "+`${map[this.props.style]} ${this.props.className}`}>{this.props.children}</Link>
+        }
+      </React.Fragment>
+    )
+  }
+}
 export default WordsBtn;
\ No newline at end of file
diff --git a/public/react/src/modules/courses/busyWork/common.js b/public/react/src/modules/courses/busyWork/common.js
index 7f54a0623..b1828997b 100644
--- a/public/react/src/modules/courses/busyWork/common.js
+++ b/public/react/src/modules/courses/busyWork/common.js
@@ -1,184 +1,184 @@
-import React, { Component } from 'react';
-export const STATUS_UN_PUBLISH = "未发布"
-// homework_status: ["提交中", "未开启补交"]
-export const STATUS_SUBMIT = "提交中"
-// export const STATUS_UN_PUBLISH = "未发布"
-
-// homework_status: ["提交中"]  未发布   未开启补交
-
-
-export function RouteHOC(options = {}) {
-	return function wrap(WrappedComponent) {
-    return class Wrapper extends Component {
-      constructor(props) {
-        super(props);
-        
-        this.state = {
-          
-        }
-      }
-      toCreateProject = () => {
-        let url = '/projects/new'
-        if (window.location.port == 3007) {
-          // window.location.href 
-          url = '/testbdweb.educoder.net/projects/new'
-        }
-        window.open(
-          url,
-          '_blank' // <- This is what makes it open in a new window.
-        );
-      }
-      // common_homework   group_homework
-      // 是否是分组作业
-      isGroup = () => {
-        return window.location.pathname.indexOf('group_homeworks') != -1
-      }
-      getModuleName = (isChinese) => {
-        const isGroup = this.isGroup()
-        if (isChinese) {
-          let chName = isGroup ? '分组作业' : '普通作业'
-          return chName;
-        }
-        const secondName = isGroup ? 'group_homeworks' : 'common_homeworks'
-        return secondName;
-      }
-      getModuleType = () => {
-        const isGroup = this.isGroup()
-        return isGroup ? 3 : 1
-      }
-      toDetailPage = (_courseId, workId, topicId) => {
-        if (typeof _courseId == "object") {
-          const topicId = _courseId.topicId
-          const workId = _courseId.workId
-          const courseId = _courseId.coursesId
-          this.props.history.push(`/courses/${courseId}/boards/${workId}/messages/${topicId}`)
-        } else {
-          this.props.history.push(`/courses/${_courseId}/boards/${workId}/messages/${topicId}`)
-        }
-        
-      }
-      toEditPage = (_courseId, _workId) => {
-        const secondName = this.getModuleName()
-        if (typeof _courseId == "object") {
-          const workId = _courseId.workId
-          const courseId = _courseId.coursesId
-          this.props.history.push(`/courses/${courseId}/${secondName}/${_workId || workId}/edit`)
-        } else {
-          this.props.history.push(`/courses/${_courseId}/${secondName}/${_workId}/edit`)
-        }
-      }
-      toWorkDetailPage = (_courseId, _workId, _studentWorkId) => {
-        const secondName = this.getModuleName()
-        if (typeof _courseId == "object") {
-          const workId = _courseId.workId
-          const courseId = _courseId.coursesId
-          const studentWorkId = _courseId.studentWorkId
-          this.props.history.push(`/courses/${courseId}/${secondName}/${_workId || workId}/${_studentWorkId || studentWorkId}/appraise`)
-        } else {
-          this.props.history.push(`/courses/${_courseId}/${secondName}/${_workId}/${_studentWorkId}/appraise`)
-        }
-      }
-      toNewPage = (courseId) => {
-        const secondName = this.getModuleName()
-        this.props.history.push(`/courses/${courseId.coursesId}/${secondName}/${courseId.category_id}/new`)
-      }
-      toListPage = (_courseId, _workId) => {
-        const secondName = this.getModuleName()
-        if (typeof _courseId == "object") {
-          const workId = _courseId.workId
-          const courseId = _courseId.coursesId
-          this.props.history.push(`/courses/${courseId}/${secondName}/${_workId || workId}`)
-        } else {
-          this.props.history.push(`/courses/${_courseId}/${secondName}${_workId ? '/' + _workId : ''}`)
-        }
-      }
-
-
-      toWorkPostPage = (_courseId, _workId, isEdit, _studentWorkId) => {
-        const secondName = this.getModuleName()
-        if (typeof _courseId == "object") {
-          const workId = _courseId.workId
-          const courseId = _courseId.coursesId
-          const studentWorkId = _courseId.studentWorkId
-          this.props.history.push(`/courses/${courseId}/${secondName}/${_workId || workId}/${isEdit? `${_studentWorkId || studentWorkId}/post_edit` : 'post'}`)
-        } else {
-          this.props.history.push(`/courses/${_courseId}/${secondName}/${_workId}/${isEdit? `${_studentWorkId}/post_edit` : 'post'}`)
-        }
-      }
-      toWorkListPage = (_courseId, _workId) => {
-        const secondName = this.getModuleName()
-        if (typeof _courseId == "object") {
-          const workId = _courseId.workId
-          const courseId = _courseId.coursesId
-          this.props.history.push(`/courses/${courseId}/${secondName}/${_workId || workId}/list`)
-        } else {
-          this.props.history.push(`/courses/${_courseId}/${secondName}/${_workId}/list`)
-        }
-      }
-      toWorkAnswerPage = (_courseId, _workId) => {
-        const secondName = this.getModuleName()
-        if (typeof _courseId == "object") {
-          const workId = _courseId.workId
-          const courseId = _courseId.coursesId
-          this.props.history.push(`/courses/${courseId}/${secondName}/${workId}/answer`)
-        } else {
-          this.props.history.push(`/courses/${_courseId}/${secondName}/${_workId}/answer`)
-        }
-      }
-      
-      toWorkQuestionPage = (_courseId, _workId) => {
-        const secondName = this.getModuleName()
-        if (typeof _courseId == "object") {
-          const workId = _workId || _courseId.workId
-          const courseId = _courseId.coursesId
-          this.props.history.push(`/courses/${courseId}/${secondName}/${workId}/question`)
-        } else {
-          this.props.history.push(`/courses/${_courseId}/${secondName}/${_workId}/question`)
-        }
-      }
-
-      toWorkSettingPage = (_courseId, _workId) => {
-        const secondName = this.getModuleName()
-        if (typeof _courseId == "object") {
-          const workId = _courseId.workId
-          const courseId = _courseId.coursesId
-          this.props.history.push(`/courses/${courseId}/${secondName}/${_workId || workId}/setting`)
-        } else {
-          this.props.history.push(`/courses/${_courseId}/${secondName}/${_workId}/setting`)
-        }
-      }
-
-      
-
-      render() {
-        const { snackbarOpen} = this.state;
-        return (
-          <React.Fragment>
-            <WrappedComponent {...this.props} 
-                toDetailPage={this.toDetailPage}
-                toEditPage={this.toEditPage}
-                toNewPage={this.toNewPage}
-                toListPage={this.toListPage}
-                toWorkDetailPage={this.toWorkDetailPage}
-                
-                toWorkPostPage={this.toWorkPostPage}
-                toWorkListPage={this.toWorkListPage}
-                toWorkAnswerPage={this.toWorkAnswerPage}
-                toWorkQuestionPage={this.toWorkQuestionPage}
-                toWorkSettingPage={this.toWorkSettingPage}
-                
-                toCreateProject={this.toCreateProject}
-
-                isGroup={this.isGroup}
-                getModuleName={this.getModuleName}
-                getModuleType={this.getModuleType}
-
-            >
-        
-            </WrappedComponent>
-          </React.Fragment>
-        )
-      }
-    }
-	}
+import React, { Component } from 'react';
+export const STATUS_UN_PUBLISH = "未发布"
+// homework_status: ["提交中", "未开启补交"]
+export const STATUS_SUBMIT = "提交中"
+// export const STATUS_UN_PUBLISH = "未发布"
+
+// homework_status: ["提交中"]  未发布   未开启补交
+
+
+export function RouteHOC(options = {}) {
+	return function wrap(WrappedComponent) {
+    return class Wrapper extends Component {
+      constructor(props) {
+        super(props);
+        
+        this.state = {
+          
+        }
+      }
+      toCreateProject = () => {
+        let url = '/projects/new'
+        if (window.location.port == 3007) {
+          // window.location.href 
+          url = '/testbdweb.educoder.net/projects/new'
+        }
+        window.open(
+          url,
+          '_blank' // <- This is what makes it open in a new window.
+        );
+      }
+      // common_homework   group_homework
+      // 是否是分组作业
+      isGroup = () => {
+        return window.location.pathname.indexOf('group_homeworks') != -1
+      }
+      getModuleName = (isChinese) => {
+        const isGroup = this.isGroup()
+        if (isChinese) {
+          let chName = isGroup ? '分组作业' : '普通作业'
+          return chName;
+        }
+        const secondName = isGroup ? 'group_homeworks' : 'common_homeworks'
+        return secondName;
+      }
+      getModuleType = () => {
+        const isGroup = this.isGroup()
+        return isGroup ? 3 : 1
+      }
+      toDetailPage = (_courseId, workId, topicId) => {
+        if (typeof _courseId == "object") {
+          const topicId = _courseId.topicId
+          const workId = _courseId.workId
+          const courseId = _courseId.coursesId
+          this.props.history.push(`/courses/${courseId}/boards/${workId}/messages/${topicId}`)
+        } else {
+          this.props.history.push(`/courses/${_courseId}/boards/${workId}/messages/${topicId}`)
+        }
+        
+      }
+      toEditPage = (_courseId, _workId) => {
+        const secondName = this.getModuleName()
+        if (typeof _courseId == "object") {
+          const workId = _courseId.workId
+          const courseId = _courseId.coursesId
+          this.props.history.push(`/courses/${courseId}/${secondName}/${_workId || workId}/edit`)
+        } else {
+          this.props.history.push(`/courses/${_courseId}/${secondName}/${_workId}/edit`)
+        }
+      }
+      toWorkDetailPage = (_courseId, _workId, _studentWorkId) => {
+        const secondName = this.getModuleName()
+        if (typeof _courseId == "object") {
+          const workId = _courseId.workId
+          const courseId = _courseId.coursesId
+          const studentWorkId = _courseId.studentWorkId
+					window.open(`/courses/${courseId}/${secondName}/${_workId || workId}/${_studentWorkId || studentWorkId}/appraise`);
+        } else {
+					window.open(`/courses/${_courseId}/${secondName}/${_workId}/${_studentWorkId}/appraise`);
+        }
+      }
+      toNewPage = (courseId) => {
+        const secondName = this.getModuleName()
+        this.props.history.push(`/courses/${courseId.coursesId}/${secondName}/${courseId.category_id}/new`)
+      }
+      toListPage = (_courseId, _workId) => {
+        const secondName = this.getModuleName()
+        if (typeof _courseId == "object") {
+          const workId = _courseId.workId
+          const courseId = _courseId.coursesId
+          this.props.history.push(`/courses/${courseId}/${secondName}/${_workId || workId}`)
+        } else {
+          this.props.history.push(`/courses/${_courseId}/${secondName}${_workId ? '/' + _workId : ''}`)
+        }
+      }
+
+
+      toWorkPostPage = (_courseId, _workId, isEdit, _studentWorkId) => {
+        const secondName = this.getModuleName()
+        if (typeof _courseId == "object") {
+          const workId = _courseId.workId
+          const courseId = _courseId.coursesId
+          const studentWorkId = _courseId.studentWorkId
+          this.props.history.push(`/courses/${courseId}/${secondName}/${_workId || workId}/${isEdit? `${_studentWorkId || studentWorkId}/post_edit` : 'post'}`)
+        } else {
+          this.props.history.push(`/courses/${_courseId}/${secondName}/${_workId}/${isEdit? `${_studentWorkId}/post_edit` : 'post'}`)
+        }
+      }
+      toWorkListPage = (_courseId, _workId) => {
+        const secondName = this.getModuleName()
+        if (typeof _courseId == "object") {
+          const workId = _courseId.workId
+          const courseId = _courseId.coursesId
+          this.props.history.push(`/courses/${courseId}/${secondName}/${_workId || workId}/list`)
+        } else {
+          this.props.history.push(`/courses/${_courseId}/${secondName}/${_workId}/list`)
+        }
+      }
+      toWorkAnswerPage = (_courseId, _workId) => {
+        const secondName = this.getModuleName()
+        if (typeof _courseId == "object") {
+          const workId = _courseId.workId
+          const courseId = _courseId.coursesId
+          this.props.history.push(`/courses/${courseId}/${secondName}/${workId}/answer`)
+        } else {
+          this.props.history.push(`/courses/${_courseId}/${secondName}/${_workId}/answer`)
+        }
+      }
+      
+      toWorkQuestionPage = (_courseId, _workId) => {
+        const secondName = this.getModuleName()
+        if (typeof _courseId == "object") {
+          const workId = _workId || _courseId.workId
+          const courseId = _courseId.coursesId
+          this.props.history.push(`/courses/${courseId}/${secondName}/${workId}/question`)
+        } else {
+          this.props.history.push(`/courses/${_courseId}/${secondName}/${_workId}/question`)
+        }
+      }
+
+      toWorkSettingPage = (_courseId, _workId) => {
+        const secondName = this.getModuleName()
+        if (typeof _courseId == "object") {
+          const workId = _courseId.workId
+          const courseId = _courseId.coursesId
+          this.props.history.push(`/courses/${courseId}/${secondName}/${_workId || workId}/setting`)
+        } else {
+          this.props.history.push(`/courses/${_courseId}/${secondName}/${_workId}/setting`)
+        }
+      }
+
+      
+
+      render() {
+        const { snackbarOpen} = this.state;
+        return (
+          <React.Fragment>
+            <WrappedComponent {...this.props} 
+                toDetailPage={this.toDetailPage}
+                toEditPage={this.toEditPage}
+                toNewPage={this.toNewPage}
+                toListPage={this.toListPage}
+                toWorkDetailPage={this.toWorkDetailPage}
+                
+                toWorkPostPage={this.toWorkPostPage}
+                toWorkListPage={this.toWorkListPage}
+                toWorkAnswerPage={this.toWorkAnswerPage}
+                toWorkQuestionPage={this.toWorkQuestionPage}
+                toWorkSettingPage={this.toWorkSettingPage}
+                
+                toCreateProject={this.toCreateProject}
+
+                isGroup={this.isGroup}
+                getModuleName={this.getModuleName}
+                getModuleType={this.getModuleType}
+
+            >
+        
+            </WrappedComponent>
+          </React.Fragment>
+        )
+      }
+    }
+	}
 }
\ No newline at end of file
diff --git a/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js b/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
index 57f574ac4..fa3a29542 100644
--- a/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
+++ b/public/react/src/modules/courses/exercise/Studentshavecompletedthelist.js
@@ -823,6 +823,7 @@ class Studentshavecompletedthelist extends Component {
 												 <span style={{textAlign: "center",color: '#999999',}}>--</span>
 												 :
 												 <a style={{textAlign: "center"}} className="color-blue"
+														target="_blank"
 														href={`/courses/${this.props.match.params.coursesId}/exercises/${this.props.match.params.Id}/users/${record.myid}`}>{record.operating}</a>
 										 }
 
diff --git a/public/react/src/modules/courses/graduation/tasks/GraduationTaskssettinglist.js b/public/react/src/modules/courses/graduation/tasks/GraduationTaskssettinglist.js
index f3495f7e4..6add102ae 100644
--- a/public/react/src/modules/courses/graduation/tasks/GraduationTaskssettinglist.js
+++ b/public/react/src/modules/courses/graduation/tasks/GraduationTaskssettinglist.js
@@ -864,7 +864,7 @@ class GraduationTaskssettinglist extends Component{
 									{
 										tag.name &&
 										<Tooltip key={key} placement="bottom" title={tag.name==="分配"?taskslistdata&&taskslistdata.cross_comment===true?"":"指定该作品的交叉评阅人":tag.name==="调分"?<pre>调整学生最终成绩<br/>其它历史评分将全部失效</pre>:""}>
-											{tag.name==="评阅"?<a style={{color:'#4CACFF',padding:"0px 5px"}} href={"/courses/"+courseId+"/graduation_tasks/"+tag.id+"/appraise"} >
+											{tag.name==="评阅"?<a target="_blank" style={{color:'#4CACFF',padding:"0px 5px"}} href={"/courses/"+courseId+"/graduation_tasks/"+tag.id+"/appraise"} >
 													{tag.name}
 												</a>
 												:
diff --git a/public/react/src/modules/courses/poll/PollDetailTabFirst.js b/public/react/src/modules/courses/poll/PollDetailTabFirst.js
index 59e8b924c..cc1a94bc0 100644
--- a/public/react/src/modules/courses/poll/PollDetailTabFirst.js
+++ b/public/react/src/modules/courses/poll/PollDetailTabFirst.js
@@ -228,7 +228,7 @@ class PollDetailTabFirst extends Component{
       width:120,
       render:(operation,item,index)=>{
         return(
-          item.status == 1 ? <WordsBtn style="blue" to={`/courses/${this.props.match.params.coursesId}/polls/${this.props.match.params.pollId}/users/${item.login}`}>查看</WordsBtn>:<span className="color-grey-9">--</span>
+          item.status == 1 ? <WordsBtn style="blue" target={"_blank"} to={`/courses/${this.props.match.params.coursesId}/polls/${this.props.match.params.pollId}/users/${item.login}`}>查看</WordsBtn>:<span className="color-grey-9">--</span>
         )
       }
     }];